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BS 2633:1987 Specification for class I arc welding of ferritic steel pipework for carrying fluids (Implementing amendments Nos. 1, 2, and 3 not issued separately, and incorporating amendment No. 4)
Arc welding using manual, semi-automatic or automatic processes; parent metals, welding consumables, preparation for welding, butt joints, branches, attachments, flanges, inspection, acceptance criteria, procedure and welder approval tests.
Supersedes BS 2633:1973. Confirmed June 2016. Amendment 5798 dated February 1998. Amendment 6969 dated July 1992. Amendment 9800 dated February 1998. Amendment 10065 dated September 1998 - indicated by a sideline in the margin
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